All Shows › Star Trek › Season 1
S1E27

Star Trek S1E27: The Alternative Factor

Aired 1967-03-30
⚠ Spoiler alert This recap gives away what happens in this episode.

Episode Summary & Review

Episode 27 of Season 1 of Star Trek.

← Previous episode
Star Trek S1E26: Errand of Mercy
 Next episode →
Star Trek S1E28: The City on the Edge of Forever